Piav lub phaj flange ntawm cov hluav taws xob cua sov yeeb nkab
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Piav lub phaj flange ntawm cov hluav taws xob cua sov yeeb nkab
Lub flange phaj nyob rau hauv lub flange hluav taws xob cua sov raj yog abbreviated raws li ib tug flange, uas tsuas yog ib tug dav lub sij hawm. Nws feem ntau yog hais txog ob peb qhov ruaj khov qhib nyob ib puag ncig lub cev zoo li lub cev hlau kom txuas nrog lwm yam khoom siv. Flange daim hlau yog feem ntau siv hauv pipeline engineering thiab feem ntau yog siv ua khub. Cov qauv tseem ceeb hauv tsev yog GB/T9119, HG20593 JB/T81-94, thiab lwm yam tshwj xeeb.
Hauv pipeline engineering, flanges feem ntau yog siv rau kev sib txuas ntawm cov kav dej. Hauv cov kav dej uas xav tau kev sib txuas, ntau yam khoom siv tuaj yeem siv ib qho flange. Cov kav dej tsis tshua muaj siab nrog cov kav hluav taws xob cua sov tuaj yeem siv threaded flanges, thiab vuam flanges tuaj yeem siv rau qhov siab tshaj 4 kilograms. Ntxiv ib lub sealing gasket ntawm ob lub flange daim hlau thiab ceev lawv nrog bolts. Flanges nrog ntau lub siab muaj qhov sib txawv thicknesses thiab siv cov bolts sib txawv.
Cov bolts ntawm flange phaj nyob rau hauv flange hom hluav taws xob cua sov yeeb nkab yuav tsum tau nruj nreem thiab nthuav tawm nyob rau hauv peb los yog ob buckles raws li kev cai. Lub gaskets ntawm lub phaj flange yog ua los ntawm roj hmab, roj hmab, hlau, thiab PTFE. Feem ntau, roj hmab yog siv rau cov dej txias, asbestos yog siv rau cov dej kub, thiab hlau kuj tseem siv.
Qhov sib nrug ntawm ob lub qhov rau threading cov hlau lead yog heev ze heev. Txoj kev taw qhia ntawm thaj chaw cua sov tau txav mus rau qhov chaw nres nkoj qhov hluav taws xob thiab raug rau huab cua. Ib qho xwm txheej txaus thiab tsim nyog rau lub voj voog luv luv tshwm sim vim qhov kub thiab txias ntxiv los ntawm ob kab tawm.
Thaum siv, qhov aperture ntawm lub qhov pwm yog zoo li lub horn, uas yog vim lub shortcomings ntawm module drilling tshuab, uas cuam tshuam rau tshav kub conduction. Lub nozzle nthuav tawm lub ntsej muag pom ntawm qhov kawg ntawm lub qhov hluav taws xob xaim, uas tom qab ntawd cuam tshuam rau thermal conductivity thiab huab cua tawg. Qhov sib txawv ntawm qhov tsis xws luag sealing silicone ntawm lub tshuab hluav taws xob cua sov thiab cov ntsia hlau saum toj kawg nkaus ntawm lub hauv paus ntawm cov hlau lead yog ze dhau, uas yog thaum tsim khoom siv tshuab. Siv cov hlau chromium aluminium raws li cov hlau lead hlau muaj cov hluav taws xob ntau dhau los ua kom kub ntawm cov hlau lead thiab ua rau muaj teeb meem.
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